Server connections not consistent. Folders grayed out with warning icon

Question

For some reason, my mail.app has started showing grayed out folders and accounts with warning icons. Even though I am able to receive/send, mail seems to think the connection is not working. When I click on the icon, it reads "The server error encountered was: The attempt to read data from the server <"
I am using port 26 since my ISP blocks port 25, and I've been doing this with no problems for years...now all of a sudden it's become a problem.
Any suggestions would be appreciated. I already used keychain first aid, and that didn't seem to change anything.
My ISP recently went through a server migration which has caused me a lot of problems, which is when this started happening, but they can't seem to solve the issue on their end.
btw, this is happening on multiple computers (both listed below), and I also access my accounts through iPhone.
Thanks in advance.
-Ken

Answer 1

To resolve this problem, follow these steps:
On the computer that is running System Center Operations Manager, open the Operations Console.
In the navigation pane, click Administration.
Expand Security, and then click Run As Profiles.
In the Run As Profiles view, double-click Data Warehouse Account.
In the Run As Profile Properties - Data Warehouse Account properties dialog box, click the Run As Accounts tab, and then click New.
In the Run As Account list, click Data Warehouse Action Account.
In the Name list, click the management server that generated the alert.
Click OK two times.
Follow steps 4 through 8 to assign the appropriate Run As account to the following profiles:
Data Warehouse Configuration Synchronization Reader Account
Data Warehouse Report Deployment Account
Data Warehouse SQL Server Authentication Account
For each profile, select the Run As account that matches the name of the Run As profile. For example, make the following assignments:
Assign the Data Warehouse Configuration Synchronization Reader Account to the Data Warehouse Configuration Synchronization Reader Account profile.
Assign the Data Warehouse Report Deployment Account to the Data Warehouse Report Deployment Account profile.
Assign the Data Warehouse SQL Server Authentication Account to the Data Warehouse SQL Server Authentication Account profile.
On the management server that generated the alert, restart the OpsMgr Health Service.
In the Operations Manager event log on the management server, verify that event ID 31554 events are logged.
Please remember, if you see a post that helped you please click "Vote As Helpful" and if it answered your question, please click "Mark As Answer"
Mai Ali | My blog: Technical